AUTOLITE part description

Product Description

Autolite AP646 Platinum Spark Plug

Features & Benefits

  • Full platinum firing tip assures virtually no gap erosion and fewer misfires for a longer plug life
  • Engineered with a platinum firing tip that prevents gap erosion for longer service life.
  • Manufactured with a center wire platinum firing tip for improved performance and durability
  • Its high alumina ceramic insulator provides thermal conductivity and superior insulation for increased strength.
  • High nickel alloy side electrode resists electrical and chemical wear to maintain a precise gap for a longer lasting plug
  • The multi-rib insulator prevents flash-over.
  • Super conductive yttrium enhanced ground electrode provides superior heat transfer
  • Designed with a nickel-plated shell that is corrosion resistant to provide increased durability for extended life.
  • Leak proof, heat fused resistor for added stability
  • 4 year limited warranty
  • Necked-down center electrode fires quicker and cleaner with less voltage for easier starts, quicker acceleration, and improved fuel economy

Product Attributes

Resistance 4000 82
Ground Electrode Tip Design Standard
Ground Electrode Core Material Nickel
Electrical Terminal Type Non-Removable Nut
Center Electrode Core Material Copper
Center Electrode Tip Material Platinum
Pre-Gap Size 0.05 IN
Ground Electrode Quantity 1
Hex Size 21 MM
Seat Type Flat
Reach 0.75 IN
Thread Diameter 14 MM
Insulator Material Ceramic
Resistor Type Yes
Ground Electrode Tip Material Nickel
9608 Standard
9805 Mid Projection
Washer Included Yes
Grade Type Performance
Hex Size 13/16 IN
Manufacturer Heat Range 8
9459 No
9507 Hex
9746 No
Reach 19.049999999999997 MM
Pre-Gap Size 1.27 MM

Additional Information

Country of Origin (Primary) MX
Harmonized Tariff Code (Schedule B) 8511100000
Warranty Time 4
Warranty Time UOM YR
Harmonized Tariff Code (HTS) 8511100000
UPC 00009100252531
UNSPSC 26101732

Part Interchanges

AUTOLITE AP646 Cross Reference

We have 5 alternatives for the AP646 by AUTOLITE:

Fits Vehicles

  • Asuna SE (1993)
  • Asuna GT (1993)
  • Pontiac Optima (1988-1989)
  • Chrysler Intrepid (1993-1995, 1997)
  • Chrysler Dynasty (1990-1993)
  • Pontiac Sunbird (1987-1988)
  • Pontiac LeMans (1988-1989, 1993)
  • Oldsmobile Firenza (1987-1988)
  • Cadillac Seville (1980-1981)
  • Cadillac Fleetwood (1975-1984)
  • Cadillac Eldorado (1975-1978, 1980-1981)
  • Cadillac DeVille (1975-1981)
  • Cadillac Commercial Chassis (1975-1984)
  • Cadillac Calais (1975-1976)
  • Buick Skyhawk (1987-1988)
  • Plymouth Voyager (1991-2000)
  • Plymouth Grand Voyager (1990-2000)
  • Eagle Vision (1993-1997)
  • Dodge Intrepid (1993-1997)
  • Dodge Grand Caravan (1990-2000)
  • Dodge Dynasty (1990-1993)
  • Dodge Caravan (1990-2000)
  • Chrysler Voyager (2000)
  • Chrysler Town & Country (1990-2000)
  • Chrysler New Yorker (1990-1993)
  • Chrysler Imperial (1990-1993)
  • Chrysler Grand Voyager (2000)
  • Chrysler Concorde (1993-1996)

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